Mail float Time period that checks for payment spend in the postal system.

Mark Berch : Yield curve option-pricing models Models that can incorporate different volatility assumptions along the yield curve, such as the Black-Derman-Toy model. Also called arbitrage-free option-pricing models.

Mark Berch Bio Foreign exchange broker Intermediaries in the foreign exchange market that do not put their own money at risk.

Mark Berch Bio Double-declining-balance depreciation method (DDB) An accounting methodology in which the depreciation rate used is double the rate used under the straight-line method. In addition, the rate is applied to the full purchase cost of the asset, whereas under the straight-line method the rate is applied to the cost net of salvage value.